int install_save(char* region) // Copy pre-packed save files to ms0:/PSP/SAVEDATA/REGION_FOLDER/
This is the most common issue. It usually happens when there is a Region Mismatch .
Once you have downloaded the save data file (usually in .rar or .zip format), right-click it and select or Extract to Folder using your extraction software.
: If you already have a save for this game, you must back it up or overwrite it .
int backup_save(char* path) // Copy existing save to ms0:/PSP/SAVEDATA_BACKUP/
You can use this as a guide, blog post, forum reply, or video script.